System, method, and apparatus for alerting

A system for alerting, the system comprising:

• a plurality of personal devices, each personal device of the plurality of personal devices comprising a processor, an activation switch, and a wireless transmitter, the processor causes the wireless transmitter to send a wireless transmission responsive to operations of the activation switch a number of times within a set time period, the number of times is greater than or equal to one;
• one or more classroom devices, each of the one or more classroom devices having a processor, non-transitory memory, a receiver, means for communicating with a central server computer, and software running on the processor from the non-transitory memory, responsive to the receiver receiving the wireless transmission from one of the plurality of personal devices, the classroom device sends an alert transaction to the central server computer over the means for communicating;
• and
• server software running on a server processor of the central server computer, after receiving the alert transaction from one of the one or more classroom devices, the server software counts total alert messages and if the total alert messages exceed a total alert threshold within a pre-determined amount of time, the server software signals an alarm.